function MM_openBrWindow(theURL,winName,features) { //v2.0
  window.open(theURL,winName,features);
}
function toggle_visibility(id) {
var e = document.getElementById(id);
if(e.style.display == 'block')
e.style.display = 'none';
else
e.style.display = 'block';
}
function toggle_visibility2(id) {
var e = document.getElementById(id);
if(e.style.display == 'none')
e.style.display = 'block';
else
e.style.display = 'none';
}
function block(id) {
var e = document.getElementById(id);
e.style.display = 'block';
}
function none(id) {
var e = document.getElementById(id);
e.style.display = 'none';
}